Finding the Fourth Proportional to 3,435.27, 4,740.79 and 2,108.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,435.27 : 4,740.79 = 2,108.72 : x
2. Step 2: Convert to fraction form
   3,435.27/4,740.79 = 2,108.72/x
3. Step 3: Cross multiply
   3,435.27x = 4,740.79 × 2,108.72
4. Step 4: Simplify right side
   3,435.27x = 9,996,998.69
5. Step 5: Solve for x
   x = 9,996,998.69/3,435.27
6. Step 6: Final answer
   x = 2,910.11